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TIMKEN / Cylindrical 1-row

TIMKEN NU1028MAC3

Cylindrical roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
140 mm
Outside diameterD
210 mm
WidthB
33 mm
Dynamic load ratingC
201 kN
Static load ratingC0
263 kN
Mass≈m
4 kg

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications10 parameters
Core specifications
ParameterSymbolValue
SeriesEX27745
Variant / constructionCylindrical 1-Row
Bore diameterd140 mm
Outside diameterD210 mm
WidthB33 mm
Basic dynamic load ratingC201 kN
Basic static load ratingC0263 kN
Mass≈m4 kg
SealingOpen
CageWindow Brass cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor0.00
Y1 Factor0.00
Y2 Factor0.00
Y0 Factor0.00
E Factor0.00
Cg Factor0.1056
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100328900
World Assembly Part NumberNU1028MA
Inner Ring Part Number140ARUA10
Outer Ring Part Number140ERUA10
Drawing NumberM103714
Upc0087796302693
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.403
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionCylindrical 1-Row
ConstructionSingle Row Cylindrical Roller Bearing | Imperial Series | 5.5118 in Bore | 8.2677 in OD | 1.2992 in Width | Open | Cylindrical Bore | Machined Window Brass Cage | C3 Clearance
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating201,000 N
Axial Rating0 N
Dynamic Rating C1201,000 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C0263,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A0 N

Technical documents & data sheet

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Record identity
TIMKEN NU1028MAC3
Document matching
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